dfcaverns/df_caverns/primordial.lua

490 lines
16 KiB
Lua

if not df_caverns.config.enable_primordial or not minetest.get_modpath("df_primordial_items") then
return
end
local perlin_cave_primordial = {
offset = 0,
scale = 1,
spread = {x=df_caverns.config.horizontal_cavern_scale, y=df_caverns.config.vertical_cavern_scale*0.5, z=df_caverns.config.horizontal_cavern_scale},
seed = 14055553,
octaves = 3,
persist = 0.67
}
local perlin_wave_primordial = {
offset = 0,
scale = 1,
spread = {x=df_caverns.config.horizontal_cavern_scale, y=df_caverns.config.vertical_cavern_scale*0.5, z=df_caverns.config.horizontal_cavern_scale},
seed = 923444,
octaves = 6,
persist = 0.63
}
local c_air = minetest.get_content_id("air")
local giant_mycelium_timer_spread = tonumber(minetest.settings:get("dcaverns_giant_mycelium_timer_spread")) or 10
-----------------------------------------------------------------------------------------
-- Fungal biome
local c_orb = minetest.get_content_id("df_primordial_items:glow_orb_hanging")
local c_mycelial_dirt = minetest.get_content_id("df_primordial_items:dirt_with_mycelium")
local c_dirt = minetest.get_content_id("default:dirt")
local c_giant_mycelium = minetest.get_content_id("df_primordial_items:giant_hypha_apical_mapgen")
local fungal_plants = {
minetest.get_content_id("df_primordial_items:fungal_grass_1"),
minetest.get_content_id("df_primordial_items:fungal_grass_2"),
minetest.get_content_id("df_primordial_items:glow_orb"),
minetest.get_content_id("df_primordial_items:glow_orb_stalks"),
minetest.get_content_id("df_primordial_items:glow_pods"),
}
local fungal_plant_names = {}
local fungal_plants = {}
for node_name, node_def in pairs(minetest.registered_nodes) do
if minetest.get_item_group(node_name, "primordial_fungal_plant") > 0 then
table.insert(fungal_plant_names, node_name)
table.insert(fungal_plants, minetest.get_content_id(node_name))
end
end
local mushroom_cavern_floor = function(abs_cracks, humidity, vi, area, data, data_param2)
local ystride = area.ystride
local humidityfactor = humidity/200 + 0.5
abs_cracks = abs_cracks * humidityfactor
if abs_cracks < 0.7 then
data[vi] = c_mycelial_dirt
elseif abs_cracks < 1 then
data[vi] = c_dirt
end
local rand = math.random() * math.min(abs_cracks, 1) * humidityfactor
if rand < 0.0005 then
local mycelium_index = vi+ystride
data[mycelium_index] = c_giant_mycelium
minetest.get_node_timer(area:position(mycelium_index)):start(math.random(1,giant_mycelium_timer_spread))
elseif rand < 0.003 then
local schematic = df_primordial_items.get_primordial_mushroom()
local rotation = (math.random(1,4)-1)*90
mapgen_helper.place_schematic_on_data_if_it_fits(data, data_param2, area, area:position(vi+ystride), schematic, rotation)
elseif rand < 0.05 then
data[vi+ystride] = fungal_plants[math.random(1,5)]
end
end
local mushroom_cavern_ceiling = function(abs_cracks, humidity, vi, area, data, data_param2)
local ystride = area.ystride
local humidityfactor = humidity/200 + 0.5
abs_cracks = abs_cracks * humidityfactor
if abs_cracks < 0.5 then
data[vi] = c_mycelial_dirt
if abs_cracks < 0.3 then
local rand = math.random() * humidityfactor
if rand < 0.002 then
local mycelium_index = vi-ystride
data[mycelium_index] = c_giant_mycelium
minetest.get_node_timer(area:position(mycelium_index)):start(math.random(1,giant_mycelium_timer_spread))
elseif rand < 0.03 then
df_primordial_items.spawn_ceiling_spire_vm(vi, area, data)
elseif rand < 0.2 then
data[vi-ystride] = c_orb
data_param2[vi-ystride] = math.random(0,179)
end
end
end
end
local mushroom_warren_ceiling = function(abs_cracks, vi, area, data, data_param2)
local ystride = area.ystride
if abs_cracks < 0.3 then
data[vi] = c_mycelial_dirt
if abs_cracks < 0.2 then
local rand = math.random()
if rand < 0.001 then
local mycelium_index = vi-ystride
data[mycelium_index] = c_giant_mycelium
minetest.get_node_timer(area:position(mycelium_index)):start(math.random(1,giant_mycelium_timer_spread))
elseif rand < 0.2 then
data[vi-ystride] = c_orb
data_param2[vi-ystride] = math.random(0,179)
end
end
end
end
local mushroom_warren_floor = function(abs_cracks, vi, area, data, data_param2)
local ystride = area.ystride
if abs_cracks < 0.7 then
data[vi] = c_mycelial_dirt
elseif abs_cracks < 1 then
data[vi] = c_dirt
end
local rand = math.random() * math.min(abs_cracks, 1)
if rand < 0.001 then
local mycelium_index = vi+ystride
data[mycelium_index] = c_giant_mycelium
minetest.get_node_timer(area:position(mycelium_index)):start(math.random(1,giant_mycelium_timer_spread))
elseif rand < 0.03 then
data[vi+ystride] = fungal_plants[math.random(1,5)]
end
end
--------------------------------------------------------------------------------------------------
-- Jungle biome
local jungle_plant_names = {}
local jungle_plants = {}
for node_name, node_def in pairs(minetest.registered_nodes) do
if minetest.get_item_group(node_name, "primordial_jungle_plant") > 0 then
table.insert(jungle_plant_names, node_name)
table.insert(jungle_plants, minetest.get_content_id(node_name))
end
end
local c_jungle_dirt = minetest.get_content_id("df_primordial_items:dirt_with_jungle_grass")
local c_plant_matter = minetest.get_content_id("df_primordial_items:plant_matter")
local c_packed_roots = minetest.get_content_id("df_primordial_items:packed_roots")
local c_glowstone = minetest.get_content_id("df_underworld_items:glowstone")
local c_ivy = minetest.get_content_id("df_primordial_items:jungle_ivy")
local c_root_2 = minetest.get_content_id("df_primordial_items:jungle_roots_2")
local c_root_1 = minetest.get_content_id("df_primordial_items:jungle_roots_1")
local c_fireflies
if minetest.get_modpath("fireflies") then
c_fireflies = minetest.get_content_id("fireflies:firefly")
end
local jungle_cavern_floor = function(abs_cracks, humidity, vi, area, data, data_param2)
local ystride = area.ystride
local humidityfactor = humidity/100
data[vi] = c_jungle_dirt
local rand = math.random()
if rand < 0.025 * humidityfactor then
local fern_schematic = df_primordial_items.get_fern_schematic()
local rotation = (math.random(1,4)-1)*90
mapgen_helper.place_schematic_on_data_if_it_fits(data, data_param2, area, area:position(vi+ystride), fern_schematic, rotation)
elseif rand < 0.025 * (1-humidityfactor) then
df_primordial_items.spawn_jungle_mushroom_vm(vi+ystride, area, data)
elseif rand < 0.05 * (1-humidityfactor) then
df_primordial_items.spawn_jungle_tree_vm(math.random(8,14), vi+ystride, area, data)
elseif rand < 0.3 then
data[vi+ystride] = jungle_plants[math.random(1,#jungle_plants)]
end
if c_fireflies and math.random() < 0.01 then
local firefly_vi = vi + ystride * math.random(1, 5)
if data[firefly_vi] == c_air then
data[firefly_vi] = c_fireflies
end
end
end
local jungle_cavern_ceiling = function(abs_cracks, vi, area, data, data_param2)
if abs_cracks < 0.25 then
data[vi] = c_glowstone
elseif abs_cracks > 0.75 and math.random() < 0.1 then
local ystride = area.ystride
data[vi] = c_dirt
local index = vi - ystride
local hanging_node
if math.random() < 0.5 then
hanging_node = c_ivy
else
hanging_node = c_root_2
end
for i = 1, math.random(16) do
if data[index] == c_air then
data[index] = hanging_node
index = index - ystride
else
break
end
end
end
end
local jungle_warren_ceiling = function(abs_cracks, vi, area, data, data_param2)
if abs_cracks < 0.1 then
data[vi] = c_glowstone
elseif abs_cracks > 0.75 and math.random() < 0.1 then
local ystride = area.ystride
data[vi] = c_dirt
local index = vi - ystride
local hanging_node
if math.random() < 0.5 then
hanging_node = c_root_1
else
hanging_node = c_root_2
end
for i = 1, math.random(8) do
if data[index] == c_air then
data[index] = hanging_node
index = index - ystride
else
break
end
end
end
end
local jungle_warren_floor = function(abs_cracks, vi, area, data, data_param2)
local ystride = area.ystride
if abs_cracks < 0.7 then
data[vi] = c_jungle_dirt
local rand = math.random() * abs_cracks
if rand < 0.1 then
data[vi+ystride] = jungle_plants[math.random(1,#jungle_plants)]
end
elseif abs_cracks < 1 then
data[vi] = c_dirt
end
if c_fireflies and math.random() < 0.005 then
local firefly_vi = vi + ystride * math.random(1, 5)
if data[firefly_vi] == c_air then
data[firefly_vi] = c_fireflies
end
end
end
---------------------------------------------------------------------------------------------------------
local decorate_primordial = function(minp, maxp, seed, vm, node_arrays, area, data)
math.randomseed(minp.x + minp.y*2^8 + minp.z*2^16 + seed) -- make decorations consistent between runs
local data_param2 = df_caverns.data_param2
vm:get_param2_data(data_param2)
local nvals_cracks = mapgen_helper.perlin2d("df_cavern:cracks", minp, maxp, df_caverns.np_cracks)
local cave_area = node_arrays.cave_area
local nvals_cave = node_arrays.nvals_cave
local humiditymap = minetest.get_mapgen_object("humiditymap")
---------------------------------------------------------
-- Cavern floors
for _, vi in ipairs(node_arrays.cavern_floor_nodes) do
local index2d = mapgen_helper.index2di(minp, maxp, area, vi)
local cracks = nvals_cracks[index2d]
local abs_cracks = math.abs(cracks)
local humidity = humiditymap[index2d]
local jungle = nvals_cave[vi] < 0
if jungle then
jungle_cavern_floor(abs_cracks, humidity, vi, area, data, data_param2)
else
mushroom_cavern_floor(abs_cracks, humidity, vi, area, data, data_param2)
end
end
--------------------------------------
-- Cavern ceilings
for _, vi in ipairs(node_arrays.cavern_ceiling_nodes) do
local index2d = mapgen_helper.index2di(minp, maxp, area, vi)
local cracks = nvals_cracks[index2d]
local abs_cracks = math.abs(cracks)
local jungle = nvals_cave[vi] < 0
local humidity = humiditymap[index2d]
if jungle then
jungle_cavern_ceiling(abs_cracks, vi, area, data, data_param2)
else
mushroom_cavern_ceiling(abs_cracks, humidity, vi, area, data, data_param2)
end
end
----------------------------------------------
-- Tunnel floors
-- for _, vi in ipairs(node_arrays.tunnel_floor_nodes) do
-- end
------------------------------------------------------
-- Tunnel ceiling
-- for _, vi in ipairs(node_arrays.tunnel_ceiling_nodes) do
-- end
------------------------------------------------------
-- Warren ceiling
for _, vi in ipairs(node_arrays.warren_ceiling_nodes) do
local index2d = mapgen_helper.index2di(minp, maxp, area, vi)
local cracks = nvals_cracks[index2d]
local abs_cracks = math.abs(cracks)
local jungle = nvals_cave[vi] < 0
if jungle then
jungle_warren_ceiling(abs_cracks, vi, area, data, data_param2)
else
mushroom_warren_ceiling(abs_cracks, vi, area, data, data_param2)
end
end
----------------------------------------------
-- Warren floors
for _, vi in ipairs(node_arrays.warren_floor_nodes) do
local index2d = mapgen_helper.index2di(minp, maxp, area, vi)
local cracks = nvals_cracks[index2d]
local abs_cracks = math.abs(cracks)
local jungle = nvals_cave[vi] < 0
if jungle then
jungle_warren_floor(abs_cracks, vi, area, data, data_param2)
else
mushroom_warren_floor(abs_cracks, vi, area, data, data_param2)
end
end
-- columns
-- no flowstone below the Sunless Sea, replace with something else
local random_dir = {1, -1, area.zstride, -area.zstride}
for _, vi in ipairs(node_arrays.column_nodes) do
local jungle = nvals_cave[vi] < 0
if jungle then
data[vi] = c_plant_matter
minetest.get_node_timer(area:position(vi)):start(math.random(30, 120))
else
data[vi] = c_mycelial_dirt
if math.random() < 0.05 then
local rand_vi = vi + random_dir[math.random(1,4)]
if data[rand_vi] == c_air then
data[rand_vi] = c_giant_mycelium
minetest.get_node_timer(area:position(rand_vi)):start(math.random(1,giant_mycelium_timer_spread))
end
end
end
end
vm:set_param2_data(data_param2)
end
--Primordial Caverns
subterrane.register_layer({
name = "primordial",
y_max = df_caverns.config.primordial_max,
y_min = df_caverns.config.primordial_min,
cave_threshold = df_caverns.config.sunless_sea_threshold, -- Make the caves a bit bigger than above
perlin_cave = perlin_cave_primordial,
perlin_wave = perlin_wave_primordial,
solidify_lava = true,
columns = {
maximum_radius = 20,
minimum_radius = 5,
node = "default:stone", -- no flowstone below the Sunless Sea, replace with something else
weight = 0.5,
maximum_count = 60,
minimum_count = 10,
},
decorate = decorate_primordial,
double_frequency = true,
is_ground_content = df_caverns.is_ground_content,
})
minetest.register_ore({
ore_type = "vein",
ore = "df_underworld_items:glowstone",
wherein = {
"default:stone",
"default:stone_with_coal",
"default:stone_with_iron",
"default:stone_with_copper",
"default:stone_with_tin",
"default:stone_with_gold",
"default:stone_with_diamond",
"default:dirt",
"default:sand",
"default:desert_sand",
"default:silver_sand",
"default:gravel",
},
column_height_min = 2,
column_height_max = 6,
y_min = df_caverns.config.primordial_min,
y_max = df_caverns.config.primordial_max,
noise_threshold = 0.9,
noise_params = {
offset = 0,
scale = 3,
spread = {x=400, y=400, z=400},
seed = 25111,
octaves = 4,
persist = 0.5,
flags = "eased",
},
random_factor = 0,
})
-- Rather than make plants farmable, have them randomly respawn in jungle soil. You can only get them down there.
minetest.register_abm({
label = "Primordial plant growth",
nodenames = {"df_primordial_items:dirt_with_jungle_grass"},
neighbors = {"air"},
interval = 60.0,
chance = 50,
action = function(pos, node, active_object_count, active_object_count_wider)
if minetest.find_node_near(pos, 2, {"group:primordial_jungle_plant"}) == nil then
local pos_above = {x=pos.x, y=pos.y+1, z=pos.z}
local node_above = minetest.get_node(pos_above)
if node_above.name == "air" then
minetest.set_node(pos_above, {name = jungle_plant_names[math.random(1,#jungle_plant_names)]})
end
end
end,
})
minetest.register_abm({
label = "Primordial fungus growth",
nodenames = {"df_primordial_items:dirt_with_mycelium"},
neighbors = {"air"},
interval = 60.0,
chance = 50,
action = function(pos, node, active_object_count, active_object_count_wider)
if minetest.find_node_near(pos, 3, {"group:primordial_fungal_plant"}) == nil then
local pos_above = {x=pos.x, y=pos.y+1, z=pos.z}
local node_above = minetest.get_node(pos_above)
if node_above.name == "air" then
minetest.set_node(pos_above, {name = fungal_plant_names[math.random(1,#fungal_plant_names)]})
end
end
end,
})
-- an ABM to extinguish fires on the primordial layer. Glowstone next to plant life equals too much fire.
local fire_enabled = minetest.settings:get_bool("enable_fire")
if fire_enabled == nil then
-- enable_fire setting not specified, check for disable_fire
local fire_disabled = minetest.settings:get_bool("disable_fire")
if fire_disabled == nil then
-- Neither setting specified, check whether singleplayer
fire_enabled = minetest.is_singleplayer()
else
fire_enabled = not fire_disabled
end
end
if fire_enabled and minetest.get_modpath("fire") then
local primordial_min = df_caverns.config.primordial_min
local primordial_max = df_caverns.config.primordial_max
minetest.register_abm({
label = "Remove fire in the primordial layer",
nodenames = {"fire:basic_flame"},
--neighbors = {"fire:basic_flame"},
interval = 3,
chance = 3,
catch_up = false,
action = function(pos)
local pos_y = pos.y
if pos_y > primordial_min and pos_y < primordial_max then
minetest.remove_node(pos)
end
end
})
end